Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-03-09
Phys.Rev.Lett.81:2028-2031,1998
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages latex, 1 figure, complete postscript on my "work" page at http://hepster.phy.uic.edu/~davechao/work/default.html . Re
Scientific paper
10.1103/PhysRevLett.81.2028
We propose a model of soft CP violation in which the CP violating mechanism naturally lies only in the charged Higgs sector. The charged Higgs mechanism not only accounts for the measured value of the CP-violating parameter $\epsilon$ but also accommodates the current limits on $\epsilon'/\epsilon$. Our model naturally prevents tree-level Flavor-Changing Neutral Currents (FCNCs) of any kind. Unlike the Weinberg-Branco Three-Higgs Doublet Model, the deviation from the Standard Model rate for $b\to s\gamma$ is small. Furthermore, leading contributions to the electron (neutron) electric dipole moment are non-zero beginning at the three (two) loop level. Surprisingly similar to the Standard Kobayashi-Maskawa Model, our model is of milliweak character but with seemingly superweak phenomenology.
Bowser-Chao David
Chang Darwin
Keung Wai-Yee
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